| Fort Morgan to Octeville | 4,639.89 mi (7,467.18 km) |
| Fort Morgan to Oignies | 4,768.53 mi (7,674.20 km) |
| Fort Morgan to Oissel | 4,749.95 mi (7,644.31 km) |
| Fort Morgan to Olivet | 4,842.10 mi (7,792.61 km) |
| Fort Morgan to Ollioules | 5,198.93 mi (8,366.87 km) |
| Fort Morgan to Olonne-sur-Mer | 4,761.84 mi (7,663.44 km) |
| Fort Morgan to Oloron-Sainte-Marie | 4,948.16 mi (7,963.30 km) |
| Fort Morgan to Onet Village | 5,020.79 mi (8,080.18 km) |
| Fort Morgan to Onnaing | 4,792.81 mi (7,713.28 km) |
| Fort Morgan to Orange | 5,114.32 mi (8,230.71 km) |
| Fort Morgan to Orchies | 4,776.90 mi (7,687.69 km) |
| Fort Morgan to Orleans | 4,840.74 mi (7,790.42 km) |
| Fort Morgan to Orly | 4,821.82 mi (7,759.98 km) |
| Fort Morgan to Ormesson-sur-Marne | 4,825.19 mi (7,765.39 km) |
| Fort Morgan to Orsay | 4,816.48 mi (7,751.38 km) |
